how to pronounce pi

/ˈpaɪ/

audio example by a male speaker

audio example by a female speaker

the above transcription of pi is a detailed (narrow) transcription according to the rules of the International Phonetic Association; you can find a description of each symbol by clicking the phoneme buttons in the secction below.

pi is pronounced in one syllable

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1. example pitch curve for pronunciation of pi

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video examples of pi pronunciation

An example use of pi in a speech by a native speaker of american english:

“… don't know what PI R as elope I ridden …”

meanings of pi

noun:

Metal type that has been spilled, mixed together, or disordered.
Initialism of protease inhibitor.
Initialism of private investigator.
Initialism of partial induction (see AI).
Abbreviation of phosphatidylinositol (a phospholipid component of eukaryotic cell membranes, also abbreviated in PtdIns).
Initialism of principal investigator (lead researcher on a grant-funded project).
Initialism of processing instruction.
The 16th letter of the Classical and Modern Greek alphabets and the seventeenth in Old Greek.
Initialism of power integrity.
Initialism of ponderal index.
Piaster.
Pica (conventionally, 12 points = 1 pica, 6 picas ≈ 1 inch).
Initialism of personal injury.
Initialism of port injection. (fuel injection).
An irrational and transcendental constant representing the ratio of the circumference of a Euclidean circle to its diameter; approximately 3.14159265358979323846264338327950; usually written π.
Initialism of politically incorrect (see PC).
Abbreviation of prohibited immigrant.
Initialism of pseudoincest.
Initialism of polyimide.

name:

Abbreviation of Piauí., a state of Brazil.
Initialism of Prison Industries (the prison-run work program for inmates).
Initialism of Philippine Islands.
A county of Chengdu, Sichuan, China.

adjective:

Not part of the usual font character set; especially, non-Roman type or symbols as opposed to standard alphanumeric Roman type.
Pious.

verb:

To spill or mix printing type.

pi frequency in english - C2 level of CEFR

the word pi occurs in english on average 5 times per one million words; this frequency warrants it to be in the study list for C2 level of language mastery according to CEFR, the Common European Framework of Reference.

topics pi can be related to

it is hard to perfectly classify words into specific topics since each word can have many context of its use, but our machine-learning models believe that pi can be often used in the following areas:

1) education, science, and technology;